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Finding the Fourth Proportional to 605,521.50, 907,603.35 and 245,608.73

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Solution

The fourth proportional to 605,521.50, 907,603.35 and 245,608.73 is: 368,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,521.50 : 907,603.35 = 245,608.73 : x
  2. Step 2: Convert to fraction form
    605,521.50/907,603.35 = 245,608.73/x
  3. Step 3: Cross multiply
    605,521.50x = 907,603.35 × 245,608.73
  4. Step 4: Simplify right side
    605,521.50x = 222,915,301,599.23
  5. Step 5: Solve for x
    x = 222,915,301,599.23/605,521.50
  6. Step 6: Final answer
    x = 368,137.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.